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Numerical prediction and measurement of pressure drop and heat transfer in a water-cooled hollow-shaft rotor for a traction motor application

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (4)

This article addresses the rotating effect on the pressure loss and heat transfer coefficient (HTC) of a hollow-shaft rotor cooling system for an auto......

Feasibility analysis and optimization design of PMSM with 120 degrees phase belts toroidal windings for electric vehicles

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

A permanent magnet synchronous motor (PMSM) is introduced with 120 degrees phase belts toroidal windings (PBTWs) (120 degrees PBTWPMSM), in which its ......

Fault-tolerant control strategy of open-winding brushless doubly fed wind power generator based on direct power control

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (7)

This study presents a study of fault-tolerant operation for a brushless doubly fed reluctance generator (BDFRG) system under a converter switch fault.......

Transfer learning-based surrogate-assisted design optimisation of a five-phase magnet-shaping PMSM

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (10)

Multi-phase permanent-magnet synchronous machines (MPMSMs) with high reliability due to sufficient fault-tolerant capability have considerable potenti......

Investigation into fault tolerant capability of new modular low-speed and high-torque direct-drive permanent magnet motor based on unequal span winding

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (10)

Low-speed and high-torque direct-drive permanent-magnet motors have found wide applications primarily due to their outstanding performance characteris......

Accurate modelling based on a subdomain method for heteropolar radial magnetic bearing with a solid rotor

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

In this paper, an analytical model based on the subdomain method is proposed for heteropolar radial magnetic bearings (HRMBs) with a solid rotor. Due ......

Study on the performance of multi-branch modular permanent magnet motor affected by magnetic pole segmentation

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

To better address the requirements of integrated equipment, here, a multi-branch modular permanent magnet motor using a toroidal winding with reverse ......

Finite-element calculation of electromagnetic characteristics and steady-state stability of dual-excited synchronous generator

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (10)

The Dual-Excited Synchronous Generator (DESG) has two sets of field windings. The magnitudes and directions of the two field currents can be regulated......

Improved two-stage model predictive control method for modular multi-level converter

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

In recent years, the modular multi-level converter (MMC) has been widely used in high and medium voltage DC transmission systems because of its topolo......

Fault diagnosis method based on multi-source information fusion for weak interturn short circuit in synchronous condensers

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

The interturn short circuit fault in rotor windings is a common fault in a synchronous condenser. Aiming at the early faults that are difficult to det......

Suitable claw shape design for improving the magnetic properties of forged claw pole parts in generator

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (10)

High power-generation efficiency can be achieved by optimising the shape of the claw pole used as automobile generators. The working process of the st......

Cooperative control of deadbeat predictive and state error port-controlled Hamiltonian method for permanent magnet synchronous motor drives

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (10)

In this article, a cooperative control combining deadbeat predictive control (DBPC) and state error port-controlled Hamiltonian (EPCH) method is prese......

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (8)

When the speed of permanent magnet motor is relatively high, the fundamental frequency of stator voltage and current will rise. However, due to the li......

Calculating the magnetic force of solenoid inductor wound by rectangular cross-section wire

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

A new semi-analytical expression is presented based on two integrations for calculating the magnetic force of a solenoid inductor wound by rectangular......

Equivalent subdomain method for performance prediction of permanent magnet eddy current brakes

期刊: IET ELECTRIC POWER APPLICATIONS, 2021; 15 (9)

An equivalent subdomain method for calculating the performance parameters of permanent magnet eddy current brakes (ECB) is presented by combining subd......

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